package com.leo.offer;

/**
 *
 * @author xuexiaolei
 * @version 2018年03月01日
 */
public class TreeNode {
    public int val;
    public TreeNode left,right;

    public TreeNode() {
    }

    public TreeNode(int val) {
        this.val = val;
    }

    public TreeNode(int val, TreeNode left, TreeNode right) {
        this.val = val;
        this.left = left;
        this.right = right;
    }
}
